package cn.lcsjsxy.yxc.exception.处理方式概述;

public class StudentTest {
    public static void main(String[] args) {
        try {
            Student student=new Student();
            student.regist(-1001);
            System.out.println(student);
        } catch (Exception e) {
//            e.printStackTrace();
            System.out.println(e.getMessage());
        }
    }
}

class Student {

    private int id;

    public void regist(int id) throws Exception {
        if (id > 0) {
            this.id = id;
        } else {
//            System.out.println("您输入的数据非法");
            //手动抛出异常对象
            throw new Exception("您输入的数据非法");
        }
    }

    @Override
    public String toString() {
        return "Student{" +
                "id=" + id +
                '}';
    }
}
